Here's the link to rock your phone deb file http://cid-be28b36b415323cb.office.live.com/self.aspx/.Public/com.rockyourphone.rockapp^_2.56.4^_iphoneos-arm.deb download it to you device then use ifile to install it. There a ton of websites out there with complete instructions on how to install the deb file. If you happen to ever accidentally update rock just go back to ifile and install it again.